diff --git a/multitree/Android.bp b/multitree/Android.bp
index 9b16d20..78c4962 100644
--- a/multitree/Android.bp
+++ b/multitree/Android.bp
@@ -10,6 +10,7 @@
         "soong-android",
     ],
     srcs: [
+        "api_imports.go",
         "api_surface.go",
         "export.go",
         "metadata.go",